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Emollient

ISOBUTYL STEARATE

CAS 646-13-9 Updated
82

Safety score · 0–100

Good

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

A simple stearic-acid ester used as a light emollient and texture enhancer. Soft, dry feel on skin. Not classified for GHS hazards; mildly comedogenic for acne-prone skin.

Function

SKIN CONDITIONING - EMOLLIENTSKIN CONDITIONING

Skin benefits

  • Light emollient and skin softener
  • Improves spread and slip
  • Non-occlusive feel

Known concerns

  • Mildly comedogenic for acne-prone skin
  • Can dilute SPF if used heavily
  • Standard fatty-ester stability

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.